CN206854639U - A kind of brick ladle structure of VOD stoves - Google Patents
A kind of brick ladle structure of VOD stoves Download PDFInfo
- Publication number
- CN206854639U CN206854639U CN201720819835.9U CN201720819835U CN206854639U CN 206854639 U CN206854639 U CN 206854639U CN 201720819835 U CN201720819835 U CN 201720819835U CN 206854639 U CN206854639 U CN 206854639U
- Authority
- CN
- China
- Prior art keywords
- refractory
- brick
- layer
- alumina spinel
- ladle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011449 brick Substances 0.000 title claims abstract description 26
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052596 spinel Inorganic materials 0.000 claims abstract description 28
- 239000011029 spinel Substances 0.000 claims abstract description 28
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 14
- 239000011777 magnesium Substances 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000012528 membrane Substances 0.000 claims abstract description 11
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 6
- 229910001051 Magnalium Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 239000011819 refractory material Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- -1 magnesium aluminate Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 101100230509 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) hat-1 gene Proteins 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model discloses a kind of brick ladle structure of VOD stoves, magnesium carbonaceous refractory insulating layer and fireproof magnesia alumina spinel layer are disposed with the inside of ladle box hat, the working face of fireproof magnesia alumina spinel layer is provided with silica sintered membrane, the second refractory block that the first refractory block of resistance to molten steel impact effect is embedded with the fireproof magnesia alumina spinel layer of ladle bottom and is engaged with nozzle brick.It possesses good resistance to sudden heating and resistance to wettability, effectively reduces crack performance, while taking into account high temperature mechanical strength, increase the service life by structure optimization.
Description
Technical field
Technical field of refractory materials is the utility model is related to, more particularly, to a kind of brick ladle structure of VOD stoves.
Background technology
VOD ladle refining furnaces have a vacuum outgas, oxygen decarburization, vacuum charging, Argon stirring, the sampling of antivacuum thermometric,
Feed the multiple functions such as silk.Can be with Bearing Steel Refining, structural alloy steel, spring steel, Fine Steel Casting iron and super-low carbon stainless steel etc..By
There is extremely strong vacuum outgas ability in it, therefore can ensure that the hydrogen in steel, oxygen, nitrogen, carbon content reach floor level, and accurately
Molten steel composition is adjusted, field trash is fully floated and effectively improves the cleanliness factor of steel.Ladle plays storage, transports the work of molten steel
With, while also to carry out the dual role of external refining.Extend the service life of refractory material, reduce the consumption of refractory material,
The service life of ladle can effectively be extended, and directly affect the production order of steel-making.However, current ladle actual production should
After a few hours, usually due to bearing the impulsive force of molten steel when molten steel injects, cracking is easily formed at the position that is hit of bottom
Phenomenon, go forward side by side and one walk out of existing spallation problems, greatly reduce service life.
Utility model content
In view of the shortcomings of the prior art, technical problem to be solved is to provide a kind of brick steel of VOD stoves to the utility model
Pack arrangement, it possesses good resistance to sudden heating and resistance to wettability, effectively reduces crack performance, take into account by structure optimization
While high temperature mechanical strength, increase the service life.
The utility model is to be addressed above-mentioned technical problem by the following technical programs.
A kind of brick ladle structure of VOD stoves, ladle box hat inner side are disposed with magnesium carbonaceous refractory insulating layer and magnalium point
Spar flame retardant coating, the working face of fireproof magnesia alumina spinel layer are provided with silica sintered membrane, and the magnesium aluminate spinel of ladle bottom is resistance to
The first refractory block acted in fire bed embedded with resistance to molten steel impact and the second refractory block being engaged with nozzle brick.
Preferably, the first refractory block, the second refractory block and fireproof magnesia alumina spinel layer are same material structure, first
The gas porosity of refractory block and the second refractory block is 1.1 to 2.5 times of fireproof magnesia alumina spinel layer gas porosity.
Preferably, the thickness ratio of magnesium carbonaceous refractory insulating layer and fireproof magnesia alumina spinel layer is 1:1.5 to 1:2.
Preferably, the thickness of the first refractory block and the second refractory block it is identical and with the thickness of fireproof magnesia alumina spinel layer
Degree is than being 1:2 to 1:2.5.
Preferably, the common thickness of magnesium carbonaceous refractory insulating layer and fireproof magnesia alumina spinel layer is not less than 200mm.
Preferably, the thickness of silica sintered membrane is not less than 0.8mm.
Preferably, nozzle brick is provided with tap hole, the second refractory block is provided with the through hole being engaged with tap hole.
Preferably, nozzle brick is located at the lower section of the second refractory block and mutually bonded integral.
The beneficial effects of the utility model：
1. by being embedded in the first refractory block and the second refractory block in the fireproof magnesia alumina spinel layer of ladle bottom, carry
High thermal shock resistance, the impact of molten steel can be born with repeated multiple times, and greatly reduce cracking and peeling phenomenon, improve resistance to slag
Aggressivity, guarantee possess enough high temperature mechanical strengths, increase the service life, the consumption of refractory material is greatly reduced.
2. magnesium carbonaceous refractory insulating layer and fireproof magnesia alumina spinel layer bilayer refractory material structure are used in ladle, and thickness
Than for 1:1.5 to 1:2, greatly improve heat-resisting quantity, while high temperature mechanical strength is ensured, effectively reduce material into
This, improves spalling resistance and thermal shock resistance, extends service life.
Further 3. sintering forms thickness not to the element silicon for being included fireproof magnesia alumina spinel layer by oxidation and sinter technique
Silica sintered membrane less than 0.8mm, this layer of silica sintered membrane substantially increase resistance to wellability and corrosion resistance, delay magnalium
The service life of spinelle refractory layer, the consumption of refractory material is reduced, improve productivity effect.
Brief description of the drawings
It is intended to be easy to describe preferred embodiment in conjunction with the following drawings, does not form the limit to scope of protection of the utility model
System.
Fig. 1 is structural representation of the present utility model.
In figure：1- box hats, 2- magnesium carbonaceous refractory insulating layers, 3- fireproof magnesia alumina spinel layers, 4- silica sintered membranes, 5-
One refractory block, 6- nozzle bricks, the refractory blocks of 7- second, 8- tap holes, 9- through holes.
Embodiment
In order to facilitate the utility model is understood, below in conjunction with the accompanying drawings in the preferred embodiment pair of the present utility model that provides
The utility model is described in detail.
A kind of brick ladle structure of VOD stoves of the utility model as shown in Figure 1, the inner side of ladle box hat 1 are disposed with magnesium
Carbonaceous refractory insulating layer 2 and fireproof magnesia alumina spinel layer 3, on the basis of refractory material cost is considered, magnesium carbonaceous refractory heat-insulating
The thickness ratio of layer 2 and fireproof magnesia alumina spinel layer 3 is preferably 1:1.5 to 1:2, further, magnesium carbonaceous refractory insulating layer 2 and magnalium
The common thickness of spinelle refractory layer 3 is not less than 200mm, so, to ensure enough high temperature mechanical strengths.Magnesium aluminate spinel is resistance to
The working face of fire bed 3 is provided with silica sintered membrane 4, and the thickness of silica sintered membrane 4 is preferably not less than 0.8mm, so, oxidation
Silicon sintered membrane 4, which can be realized effectively, improves resistance to wellability and corrosion resistance, to delay the use of fireproof magnesia alumina spinel layer 3
In the life-span, greatly reduce the consumption of refractory material, so as to improve productivity effect.In order to improve thermal shock resistance, and can be repeatedly
The impact of molten steel is repeatedly born, first that resistance to molten steel impact effect is embedded in the fireproof magnesia alumina spinel layer 3 of ladle bottom is resistance to
It fiery building block 5 and the second refractory block 7 being engaged with nozzle brick 6, can so greatly reduce cracking and peeling phenomenon, improve resistance to
Slag aggressivity, and ensure possess enough high temperature mechanical strengths.As a kind of embodiment, the first refractory block 5, second is resistance to
Fiery building block 7 and the gas hole that fireproof magnesia alumina spinel layer 3 is same material structure, the first refractory block 5 and the second refractory block 7
Rate is 1.1 to 2.5 times of the gas porosity of fireproof magnesia alumina spinel layer 3, the first refractory block 5 and the second refractory block 7 it is low
Moisture, its structural strength is improved, and the effect of impregnation for suppressing slag is improved by being densified.In order to ensure overall high temperature machine
The thickness of tool intensity, the first refractory block 5 and the second refractory block 7 is identical and with the thickness ratio of fireproof magnesia alumina spinel layer 3 is
1:2 to 1:2.5.One embodiment shown in figure, nozzle brick 6 are provided with tap hole 8, and the second refractory block 7 is provided with and stream
Portal 8 through holes 9 being engaged, and nozzle brick 6 is located at the lower section of the second refractory block 7 and mutually bonded integral.
Some technical terms are intended merely to facilitate description used in the utility model, do not form to the utility model
Limitation, the utility model is not limited to above-described preferable embodiment, based on those skilled in the art institute
The known technology or use that can be known are capable of the various modifications of equivalence replacement and the embodiment of change in the prior art,
It is every to be based on spirit or technical concept of the present utility model, it should be included within the scope of protection of the utility model.
Claims (8)
1. a kind of brick ladle structure of VOD stoves, it is characterized in that：Magnesium carbonaceous refractory heat-insulating is disposed with the inside of ladle box hat (1)
Layer (2) and fireproof magnesia alumina spinel layer (3), the working face of fireproof magnesia alumina spinel layer (3) are provided with silica sintered membrane (4),
The first refractory block (5) embedded with the effect of resistance to molten steel impact and and the mouth of a river in the fireproof magnesia alumina spinel layer (3) of ladle bottom
The second refractory block (7) that brick (6) is engaged.
2. the brick ladle structure of VOD stoves according to claim 1, it is characterized in that：First refractory block (5), the second fire resisting
Building block (7) and the gas that fireproof magnesia alumina spinel layer (3) is same material structure, the first refractory block (5) and the second refractory block (7)
Body porosity is 1.1 to 2.5 times of fireproof magnesia alumina spinel layer (3) gas porosity.
3. the brick ladle structure of VOD stoves according to claim 1, it is characterized in that：Magnesium carbonaceous refractory insulating layer (2) and magnalium
The thickness ratio of spinelle refractory layer (3) is 1:1.5 to 1:2.
4. the brick ladle structure of VOD stoves according to claim 1, it is characterized in that：First refractory block (5) and the second fire resisting
The thickness of building block (7) is identical and thickness ratio with fireproof magnesia alumina spinel layer (3) is 1:2 to 1:2.5.
5. the brick ladle structure of VOD stoves according to claim 1, it is characterized in that：Magnesium carbonaceous refractory insulating layer (2) and magnalium
The common thickness of spinelle refractory layer (3) is not less than 200mm.
6. the brick ladle structure of VOD stoves according to claim 1, it is characterized in that：The thickness of silica sintered membrane (4) is not small
In 0.8mm.
7. the brick ladle structure of VOD stoves according to claim 1, it is characterized in that：Nozzle brick (6) is provided with tap hole (8),
Second refractory block (7) is provided with the through hole (9) being engaged with tap hole (8).
8. the brick ladle structure of VOD stoves according to claim 1, it is characterized in that：Nozzle brick (6) is located at the second refractory block
(7) lower section and mutually bond integral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720819835.9U CN206854639U (en) | 2017-07-07 | 2017-07-07 | A kind of brick ladle structure of VOD stoves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720819835.9U CN206854639U (en) | 2017-07-07 | 2017-07-07 | A kind of brick ladle structure of VOD stoves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206854639U true CN206854639U (en) | 2018-01-09 |
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ID=60832237
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720819835.9U Expired - Fee Related CN206854639U (en) | 2017-07-07 | 2017-07-07 | A kind of brick ladle structure of VOD stoves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206854639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390149A (en) * | 2020-04-24 | 2020-07-10 | 中信戴卡股份有限公司 | Casting ladle for casting aluminum alloy |
-
2017
- 2017-07-07 CN CN201720819835.9U patent/CN206854639U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390149A (en) * | 2020-04-24 | 2020-07-10 | 中信戴卡股份有限公司 | Casting ladle for casting aluminum alloy |
| CN111390149B (en) * | 2020-04-24 | 2021-06-22 | 中信戴卡股份有限公司 | Casting ladle for casting aluminum alloy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 |